/*
*    Qizx/open 3.0 beta
*
* This code is the open-source version of Qizx.
* Copyright (C) 2004-2009 Axyana Software -- All rights reserved.
*
* The contents of this file are subject to the Mozilla Public License 
*  Version 1.1 (the "License"); you may not use this file except in 
*  compliance with the License. You may obtain a copy of the License at
*  http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
*  WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
*  for the specific language governing rights and limitations under the
*  License.
*
* The Initial Developer of the Original Code is Xavier Franc - Axyana Software.
*
*/
using System;
using EvaluationException = System.Qizx.Api.EvaluationException;
using DateTimeException = System.Qizx.Api.Util.XQDateTimeException;
using XQDuration = System.Qizx.Api.Util.XQDuration;
using EvalContext = System.Qizx.XQuery.EvalContext;
using XQItem = System.Qizx.XQuery.XQItem;
using XQItemType = System.Qizx.XQuery.XQItemType;
using XQType = System.Qizx.XQuery.XQType;
using XQValue = System.Qizx.XQuery.XQValue;
using System.Qizx.XQuery.Fn;

namespace System.Qizx.XQuery.Dt {

    public class FunctionType : AtomicType {
        private Prototype signature;

        public FunctionType(Prototype signature) {
            this.signature = signature;
        }

        public String getShortName() {
            return "function";
        }

        public bool accepts(XQType valueType) {
            valueType = valueType.itemType();
            if (!(valueType is FunctionType))
                return false;
            FunctionType otype = (FunctionType)valueType;
            if (getSignature() == null)
                return true;
            //TODO
            return true;
        }

        public Prototype getSignature() {
            return signature;
        }
    }
}